2 ** context_foil.c -- foil search of profile and context
4 ** This code is Copyright (c) 2002, by the authors of nmh. See the
5 ** COPYRIGHT file in the root directory of the nmh distribution for
6 ** complete copyright information.
13 ** Foil search of users .mh_profile
14 ** If error, return -1, else return 0
17 context_foil(char *path)
19 register struct node *np;
21 /* In fact, nobody examines defpath in code paths where
22 ** it's been set by us -- the uses in the source tree are:
23 ** 1 sbr/context_read.c uses it only after setting it itself
24 ** 2 uip/install_mh.c uses it only after setting it itself
25 ** 3 uip/mark.c print it if given the -debug switch
26 ** A worthwhile piece of code cleanup would be to make 1 and
27 ** 2 use a local variable and just delete 3.
29 ** Similarly, context and ctxpath are not really used
30 ** outside the context_* routines. It might be worth combining
31 ** them into one file so the variables can be made static.
34 /* We set context to NULL to indicate that no context file
35 ** is to be read. (Using /dev/null doesn't work because we
36 ** would try to lock it, which causes timeouts with some
39 defpath = context = NULL;
42 ** If path is given, create a minimal profile/context list
45 m_defs = (struct node *) mh_xmalloc(sizeof(*np));
48 if (!(np->n_name = strdup("Path"))) {
49 advise(NULL, "strdup failed");
52 if (!(np->n_field = strdup(path))) {
53 advise(NULL, "strdup failed");
59 if (mypath == NULL && (mypath = getenv("HOME")) != NULL)
60 if (!(mypath = strdup(mypath))) {
61 advise(NULL, "strdup failed");